Home / 69,135.32-103,673.63-29,172.23

Finding the Fourth Proportional to 69,135.32, 103,673.63 and 29,172.23

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Solution

The fourth proportional to 69,135.32, 103,673.63 and 29,172.23 is: 43,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,135.32 : 103,673.63 = 29,172.23 : x
  2. Step 2: Convert to fraction form
    69,135.32/103,673.63 = 29,172.23/x
  3. Step 3: Cross multiply
    69,135.32x = 103,673.63 × 29,172.23
  4. Step 4: Simplify right side
    69,135.32x = 3,024,390,979.29
  5. Step 5: Solve for x
    x = 3,024,390,979.29/69,135.32
  6. Step 6: Final answer
    x = 43,745.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.